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Yahoo has hijacked my browsers


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#1 saxdragon

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Posted 06 September 2015 - 01:03 PM

I must have been careless while installing a program because Yahoo has hijacked Chrome and Firefox.  Whenever I open either one, i get the Google home page (which is the one i set them to open on) and then it immediately switches over to a Yahoo search page.  Every tab I open does the same.  I've tried the obvious fixes but nothing changes.  It seems that if i manage to kill it, it reinstalls itself (i say this because IObit Anti-Malware has told me twice that Yahoo is trying to change my browser settings, which i block, but it happens anyway).  Suggestions, anyone?

 

Thanks,

SteveB


Edited by hamluis, 06 September 2015 - 06:27 PM.
Moved from Win 7 to Am I Infected - Hamluis.


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#2 buddy215

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Posted 07 September 2015 - 05:54 AM

Use CCleaner to remove Temporary files, program caches, cookies, logs, etc. Use the Default settings. No need to use the

Registry Cleaning Tool...risky. Pay close attention while installing and UNcheck offers of toolbars....especially Google.

After install, open CCleaner and run by clicking on the Run Cleaner button in the bottom right corner.

CCleaner - PC Optimization and Cleaning - Free Download

 

Download Malwarebytes' Anti-Malware from Here 
Double-click mbam-setup-2.X.X.XXXX.exe to install the application (X's are the current version number).

  • Make sure a checkmark is placed next to Launch Malwarebytes' Anti-Malware, then click Finish.
  • Once MBAM opens, when it says Your databases are out of date, click the Fix Now button.
  • Click the Settings tab at the top, and then in the left column, select Detections and Protections, and if not already checked place a checkmark in the selection box for Scan for rootkits.
  • Click the Scan tab at the top of the program window, select Threat Scan and click the Scan Now button.
  • If you receive a message that updates are available, click the Update Now button (the update will be downloaded, installed, and the scan will start).
  • The scan may take some time to finish,so please be patient.
  • If potential threats are detected, ensure that Quarantine is selected as the Action for all the listed items, and click the Apply Actions button.
  • While still on the Scan tab, click the link for View detailed log, and in the window that opens click the Export button, select Text file (*.txt), and save the log to your Desktop.
  • The log is automatically saved by MBAM and can also be viewed by clicking the History tab and then selecting Application Logs.

 

Download AdwCleaner by Xplode onto your desktop.

  • Close all open programs and internet browsers.
  • Double click on adwcleaner.exe to run the tool.
  • Click on Scan button.
  • When the scan has finished click on Clean button.
  • Your computer will be rebooted automatically. A text file will open after the restart.
  • Please post the contents of that logfile with your next reply.
  • You can find the logfile at C:\AdwCleaner[S1].txt as well.
  • download Junkware Removal Tool to your desktop.
  • Shut down your protection software now to avoid potential conflicts.
  • Run the tool by double-clicking it. If you are using Windows Vista, 7, or 8; instead of double-clicking, right-mouse click JRT.exe and select "Run as Administrator".
  • The tool will open and start scanning your system.
  • Please be patient as this can take a while to complete depending on your system's specifications.
  • On completion, a log (JRT.txt) is saved to your desktop and will automatically open.
  • Post the contents of JRT.txt into your next message

 

Post the three lists mentioned below using CCleaner:

 

Open CCleaner and click on Tools. Choose Startups. On that page you will see a list of Windows Startups and at the top tabs for each browser and Scheduled Tasks.

At the bottom right of that page you will see a button when clicked will allow you to Copy and Paste the list of Windows Startups and Scheduled Tasks into your next

post. Please do that.

 

Open CCleaner and click on Tools. Choose Uninstall. On that page you will see a list of programs installed on your computer and at the bottom right of that page you

will see a button when clicked will allow you to Copy and Paste that list in your next post. Please do that.


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